Home / 156,874.20-235,311.30-145,802.52

Finding the Fourth Proportional to 156,874.20, 235,311.30 and 145,802.52

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Solution

The fourth proportional to 156,874.20, 235,311.30 and 145,802.52 is: 218,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,874.20 : 235,311.30 = 145,802.52 : x
  2. Step 2: Convert to fraction form
    156,874.20/235,311.30 = 145,802.52/x
  3. Step 3: Cross multiply
    156,874.20x = 235,311.30 × 145,802.52
  4. Step 4: Simplify right side
    156,874.20x = 34,308,980,524.48
  5. Step 5: Solve for x
    x = 34,308,980,524.48/156,874.20
  6. Step 6: Final answer
    x = 218,703.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.